Utility knife



FIG. 1 is a perspective view from the front above right of the inventionwith the blade extended;

FIG. 2 is a right-side view of the invention with the blade extended;

FIG. 3 is a front-end view of the invention;

FIG. 4 is a left-side view of the invention with the blade extended, thebroken lines here and in FIGS. 6 and 7 indicating disclaimed elements;

FIG. 5 is a rear-end view of the invention;

FIG. 6 is a top view of the invention;

FIG. 7 is a bottom view of the invention;

FIG. 8 is a perspective view from the front lower right of the inventionwith the blade extended; and,

FIG. 9 is a view like FIG. 1 of the invention but with the bladeretracted.

The broken lines depict portions of the utility knife in which thedesign is embodied that are not considered part of the claimed design.

CLAIM The ornamental design for a utility knife, as shown and described.